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Finding the Fourth Proportional to 315,049.07, 434,750.62 and 179,064.14

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Solution

The fourth proportional to 315,049.07, 434,750.62 and 179,064.14 is: 247,098.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,049.07 : 434,750.62 = 179,064.14 : x
  2. Step 2: Convert to fraction form
    315,049.07/434,750.62 = 179,064.14/x
  3. Step 3: Cross multiply
    315,049.07x = 434,750.62 × 179,064.14
  4. Step 4: Simplify right side
    315,049.07x = 77,848,246,763.69
  5. Step 5: Solve for x
    x = 77,848,246,763.69/315,049.07
  6. Step 6: Final answer
    x = 247,098.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.